What is the x-coordinate of the point where the graphs of y = 8 and y = 2x intersect?

What is the area of the triangle 10 13 12

Nikolas calculated the volume of the prism. his work is shown below.

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?